Jumaytepeque Xinca is an extinct Xincan language of Guatemala that was spoken in the region of Jumaytepeque. It was first identified by Lyle Campbell in the 1970s.
Phonology
Consonants
Vowels
The Xincan languages all have 6 vowels.
References
Campbell, Lyle (1997). American Indian languages: The historical linguistics of Native America. New York: Oxford University Press. .